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What are radioactive rays ?...

What are radioactive rays ?

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From which part of the atoms are radioactive rays emitted? Which of the radioactive rays has the highest penetrating power and which has the highest ionising power?

Mention two properties of each of the radioactive rays emitted from a radioactive substance.

Of all the radioactive rays which one has the highest ionising power?

Which radioactive ray is an electro magnetic radiation?

Write down the name of radioactive ray deviated maximum by magnetic field.

What is radioactive susbtance?

What parts of a radioactive element is disintegrated in its average life period?

The end product of radioactive decays is

What is radioactivity? Write down application of it.

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CHHAYA PUBLICATION-ATOMIC NUCLEUS-SECTION RELATED QUESTIONS
  1. Write down the relation between radius of nucleus and mass number .

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  2. Define radioactivity

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  3. What are radioactive rays ?

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  4. Write down three properties of beta rays .

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  5. What is the constituent of an alpha -particle ?

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  6. Describe briefly about the generation of alpha-rays and its principle ...

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  7. What are the differences between cathode rays and beta - rays ?

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  8. What are the basic differences between X-rays and gamma - rays ?

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  9. Mention two properties of each of the radioactive rays emitted from a ...

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  10. State clearly the differences between alpha , beta and gamma - rays.

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  11. State the differences between alpha and beta - particles in respect of...

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  12. Compare X-rays and gamma-rays .

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  13. Mention the similarities between cathode rays and beta rays .

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  14. If a radioactive element emits - (i) alpha-particle and (ii) beta-par...

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  15. What do you mean by conservation of mass number and atomic number ? Sh...

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  16. What is disintegration energy ?

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  17. Establish the relation between decay constant and half-life .

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  18. What do you mean by half-life of a radioactive substance ?

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  19. Write down the law of radioactive decay .

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  20. Write down the law of radioactive decay and explain it with curve . De...

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